Yamaha YZF-R125 Service Manual: Chassis
- General chassis
- Front wheel
- Removing the front wheel (disc)
- Disassembling the front wheel
- Checking the front wheel
- Assembling the front wheel
- Adjusting the front wheel static balance
- Installing the front wheel (disc)
- Rear wheel
- Removing the rear wheel (disc)
- Checking the rear wheel
- Checking and replacing the rear wheel sprocket
- Adjusting the rear wheel static balance
- Installing the rear wheel (disc)
- Front brake
- Introduction
- Checking the front brake disc
- Replacing the front brake pads
- Removing the front brake caliper
- Checking the front brake caliper
- Assembling the front brake caliper
- Installing the front brake caliper
- Removing the front brake master cylinder
- Checking the front brake master cylinder
- Installing the front brake master cylinder
- Rear brake
- Introduction
- Checking the rear brake disc
- Replacing the rear brake pads
- Removing the rear brake caliper
- Disassembling the rear brake caliper
- Checking the rear brake caliper
- Assembling the rear brake caliper
- Installing the rear brake caliper
- Removing the rear brake master cylinder
- Checking the rear brake master cylinder
- Assembling the rear brake master cylinder
- Installing the rear brake master cylinder
- Handlebars
- Front fork
- Removing the front fork legs
- Disassembling the front fork legs
- Checking the front fork legs
- Assembling the front fork legs
- Installing the front fork legs
- Steering head
- Rear shock absorber assembly
- Removing the rear shock absorber assembly
- Checking the rear shock absorber assembly
- Checking the connecting arms and relay arm
- Installing the relay arm
- Installing the rear shock absorber assembly
- Swingarm
- Chain drive
Adjusting the headlight beams
The following procedure applies to both of the
headlights.
1. Adjust:
Headlight beam (vertically)
a. Turn the adjusting screw "1" in direction "a" or
"b".
A. Left headlight
B. Right he ...
General chassis
Installing the air filter case
1. Install:
Air filter case joint clamp
NOTE:
Align the projection "a" on the air filter case with
the slot "b" in the air filter case joint cl ...
Other materials:
Checking the brake fluid level
1. Stand the vehicle on a level surface.
NOTE:
Place the vehicle on a suitable stand.
Make sure the vehicle is upright.
2. Check:
Brake fluid level
Below the minimum level mark "a" → Add the
recommended brake fluid to the proper level.
A. Front brake
B. Rear brake
WA ...
Troubleshooting charts
Starting problems or poor engine performance
Starting problems or poor engine performance
Engine overheating
WARNING
Do not remove the radiator cap when the engine and radiator are hot.
Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be ...
Checking the radiator fan motor
1. Check:
Radiator fan motor
Faulty/rough movement → Replace.
a. Disconnect the radiator fan motor coupler
from the wire harness.
b. Connect the battery (DC 12 V) as shown.
Positive tester probe →
blue "1"
Negative tester probe →
black "2"
c. Measure ...